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50
51#include "imagedelegate.h"
52#include "iconpreviewarea.h"
53
54#include <QComboBox>
55
56//! [0]
57ImageDelegate::ImageDelegate(QObject *parent)
58 : QStyledItemDelegate(parent)
59{}
60//! [0]
61
62//! [1]
63QWidget *ImageDelegate::createEditor(QWidget *parent,
64 const QStyleOptionViewItem & /* option */,
65 const QModelIndex &index) const
66{
67 QComboBox *comboBox = new QComboBox(parent);
68 if (index.column() == 1)
69 comboBox->addItems(texts: IconPreviewArea::iconModeNames());
70 else if (index.column() == 2)
71 comboBox->addItems(texts: IconPreviewArea::iconStateNames());
72
73 connect(sender: comboBox, signal: QOverload<int>::of(ptr: &QComboBox::activated),
74 receiver: this, slot: &ImageDelegate::emitCommitData);
75
76 return comboBox;
77}
78//! [1]
79
80//! [2]
81void ImageDelegate::setEditorData(QWidget *editor,
82 const QModelIndex &index) const
83{
84 QComboBox *comboBox = qobject_cast<QComboBox *>(object: editor);
85 if (!comboBox)
86 return;
87
88 int pos = comboBox->findText(text: index.model()->data(index).toString(),
89 flags: Qt::MatchExactly);
90 comboBox->setCurrentIndex(pos);
91}
92//! [2]
93
94//! [3]
95void ImageDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
96 const QModelIndex &index) const
97{
98 QComboBox *comboBox = qobject_cast<QComboBox *>(object: editor);
99 if (!comboBox)
100 return;
101
102 model->setData(index, value: comboBox->currentText());
103}
104//! [3]
105
106//! [4]
107void ImageDelegate::emitCommitData()
108{
109 emit commitData(editor: qobject_cast<QWidget *>(o: sender()));
110}
111//! [4]
112

source code of qtbase/examples/widgets/widgets/icons/imagedelegate.cpp